h 2 o+ co 2
DESCRIPTION
***Primary metabolite versus Secondary metabolite: -Distribution: -Pharmacological action: - Scheme for biosynthetic pathway. H 2 O+ CO 2. hv. Glycosides: *Definition: -Physicochemical properties: physical state, optical activity,. -Solubility, extraction. -Enzyme deactivation. :. - PowerPoint PPT PresentationTRANSCRIPT
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***Primary metabolite versus Secondary metabolite:
-Distribution:
-Pharmacological action:
- Scheme for biosynthetic pathway.
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H2O+ CO2hv
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Glycosides:*Definition:
-Physicochemical properties:physical state, optical activity ,
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-Solubility, extraction .
-Enzyme deactivation.
:
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-Significance in plant:
-Nomenclature
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Amygdalase
Amygdalin
Prunasin
Prunase
H
HCN (g)
glc
glc
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****Classification:A)- According to the linkage:
B)- According to botanical source
.
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C)- According to the sugar type.
D)- According to the aglycone type.
E)- According to the pharmacological action:
F)- According to the configuration
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G)- According to the metabolic origin
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**Phenolic glycosides:-Flavonoid, isoflavonids ,
anthocyanins,lignans
-Anthraquinone
-Coumarins
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Anthraquinone Coumarin
FlavonoidAnthocyanin
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Pharmacological action:-Stimulant laxative: increasing contractility of
colonic muscle and subsequently facilitate evacuation of colonic content Medicinal uses:
-Acute constipation.-Presurgery.
-Preoperative.